Gaya APA

Maharani,Ida, . (2008). Les't Study Prepositions (Mary Belajar Preposisi . Yogyakartaa: Citra Aji Parama.

Gaya MLA

Maharani,Ida, . "Les't Study Prepositions (Mary Belajar Preposisi". Yogyakartaa: Citra Aji Parama, 2008. Text.